THE INDIANA COUNTY NATIVE WAS INJURED WHILE SAVING OTHERS FROM A SUICIDE BOMBER. HE'S EXPECTED TO MAKE A FULL RECOVERY. ANDREW, THE HARSH ARCTIC BLAST FROZE HUNDREDS OF PIPES ACROSS THE REGION LEAVING HOMEOWNERS WITH AN EXPENSIVE BUT DIFFICULT DECISION. SHELDON INGRAM SHOWS US THE DILEMMA. Reporter: HUNDREDS OF HOMEOWNERS ARE EXPERIENCING FROZEN PIPES, AND SOME OF THEM WILL SOON BURST, AND WE FIND OUT WHICH PIPES ARE MOST VULNERABLE. A TORPEDO KEROSENE HEATER IS THROWING OUT 100 BTUs TO HEAT UP THIS HOUSE IN MT. WASHINGTON. THE PIPES ARE LOCATED IN THE GARAGE, BUT IT TAKES MORE THAN A PORTABLE BLAST FURNACE TO LOOSEN UP ICE IN JUST ONE AREA LIKE RIGHT HERE. WELL, THE BIGGEST CHALLENGE IS LOCATING THE PIPE. Reporter: ROB FAULKNER IS A PLUMMER, AND HE SAYS FINISHED GARAGES AND BASEMENTS MAY LOOK BETTER, BUT WHEN PIPES BECOME FROZEN, PLUMBERS OFTEN HAVE TO TEAR HOLES IN THE CEILINGS TO LOCATE THE PIPES TO LOOSEN THEM UP. THAT'S A HEADACHE MOST HOMEOWNERS DON'T WANT. WHAT WOULD YOU DO IF YOU WERE A HOME OWNER? I'D BUST A HOLE. FIND THAT PIPE. THAT'S RIGHT. HEAT IT UP. THAT'S IT. Reporter: HOMEOWNERS DON'T GENERALLY WANT THAT. RIGHT. Reporter: BUT WHAT'S THE OPTION? THEY ARE RISKING IF THE PIPE BURSTS THEN IT WILL DAMAGE THE DRYWALL AND ANYTHING ELSE. Reporter: PEOPLE LIVING IN OLDER HOMES WITH COPPER PIPES ARE MORE LIKELY TO BURST AFTER THEY BECOME FROZEN. PEOPLE LIVING IN NEWER HOMES ARE MORE LIKELY TO HAVE PLASTIC PIPES THAT EXPAND WITHOUT BURSTING. IF IT FREEZES, AS IT FREEZES THE PIPE WILL EXPAND AND GO BACK INTO SHAPE AS IT THAWS OUT. Reporter: WITH SEVERAL MORE WEEKS OF WINTER LEFT, IT'S NOT TOO LATE FOR HOMEOWNERS TO GET